Smart doorbell RING Satin Nickel 193 g 126 x 62 x 23 mm (H x W x D) Amazon Alexa WiFi - iOS- Android Ring app 1 year

Mains AMAZON Charcoal black 2.57 kg - WiFi- Bluetooth (A2DP) - iOS- Android Alexa 1 year

Yes 45 mm Rectangular APPLE 39 g Pin-and-tuck closure Apple app store 45 x 38 x 10.7 mm (H x W x D) Water resistant (up to 50 m) Yes - WiFi 4- Bluetooth 5.3 Yes iOS Rubber Siri watchOS 10 1 year

Portable speaker No JBL Black No 520 g No 1.0 Bluetooth 5.1 65 - 20,000 Hz 8 Ohms Passive bass radiator x 2 68 x 175 x 27 mm (H x W x D) Up to 10 hours 20 W Racetrack driver: 44 x 80 mm Battery Up to 2 speakers 20 W AAC, MP3, WAV 2 years Yes

Traditional Hi-Fi system - DAB +- FM JVC Black & silver 7.2 kg Earphone x 1 2.0 Bluetooth 5.3 Yes 50 - 20,000 Hz 4 Ohms Yes 1.5' Tweeter x 2 Mains USB 2.0 x 1 - Bass boost- Treble control 90 dB MP3 Yes 1 year Yes

Yes 1.2' Circle GARMIN 36 g Buckle Garmin Connect IQ Up to 1.5 hours Yes - Bluetooth- WiFi- NFC - iOS- Android Silicone USB cable Garmin OS 2 years

Portable speaker No BOSE Black No 600 g No Bose Connect app Bluetooth 4.2 90 x 201 x 52 mm (H x W x D) Waterproof & dustproof (IP67) Up to 12 hours Lithium-ion battery - Android- iOS 2 years

Megasound speaker No JBL Black 18.9 kg 3.5 mm Daisy Chain Yes - Via APP JBL Partybox app 2.0 Bluetooth 5.4 40 - 20,000 Hz 8 Ohms 669 x 335 x 385 mm (H x W x D) Splash resistant (IPX 4) Up to 18 hours 240 W (180 + 60) USB x 1 - iOS- Android Yes - Via APP On-mode: 69 W Bass Boost AAC, MP3, WAV Yes 2 years Yes

Portable multi-room speaker Yes BOSE Black 2 kg Bose Music App Yes Yes Bose Water resistant (IPX4) Up to 12 hours Yes Rechargeable battery - iOS- Android Yes 2 years Yes

Portable speaker LG Black Aux-in x 1 7.1 kg LG XBOOM 1.0 Bluetooth 5.1 8 Ohms Passive bass radiator 245 x 524 x 190 mm (H x W x D) Waterproof & dustproof (IP67) Device control Up to 24 hours Stage lighting - iOS- Android Sound Boost AAC, SBC Yes 1 year Yes

Portable speaker No ULTIMATE Sunset red No 930 g No Ultimate Ears 2.0 Bluetooth 4.2 90 - 20,000 Hz 4 Ohms 200 x 103 x 123 mm (H x W x D) Waterproof & dustproof (IP67) Connect multiple speakers Up to 15 hours Rechargeable battery Over 150 - iOS- Android 6 settings 90 dB 360° sound 2 years

Traditional Hi-Fi system PANASONIC Silver 2.2 kg 3.5 mm jack x 1 5 2.0 Bluetooth 4.3 Yes RMS: 80 W (40 W + 40 W) - 6 cm tweeter- 10 cm woofer Mains Up to 8 speakers USB Type-A x 1 - Bass boost- Treble boost MP3 1 year Yes